Home / 159,148.19-219,620.53-86,550.22

Finding the Fourth Proportional to 159,148.19, 219,620.53 and 86,550.22

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Solution

The fourth proportional to 159,148.19, 219,620.53 and 86,550.22 is: 119,437.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,148.19 : 219,620.53 = 86,550.22 : x
  2. Step 2: Convert to fraction form
    159,148.19/219,620.53 = 86,550.22/x
  3. Step 3: Cross multiply
    159,148.19x = 219,620.53 × 86,550.22
  4. Step 4: Simplify right side
    159,148.19x = 19,008,205,570.73
  5. Step 5: Solve for x
    x = 19,008,205,570.73/159,148.19
  6. Step 6: Final answer
    x = 119,437.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.